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» Completing Inverse Entailment
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PODS
2007
ACM
142views Database» more  PODS 2007»
14 years 7 months ago
Quasi-inverses of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
AAAI
2007
13 years 9 months ago
A Logical Theory of Coordination and Joint Ability
A team of agents is jointly able to achieve a goal if despite any incomplete knowledge they may have about the world or each other, they still know enough to be able to get to a g...
Hojjat Ghaderi, Hector J. Levesque, Yves Lesp&eacu...
AAECC
2005
Springer
99views Algorithms» more  AAECC 2005»
13 years 7 months ago
Formulae for Arithmetic on Genus 2 Hyperelliptic Curves
The ideal class group of hyperelliptic curves can be used in cryptosystems based on the discrete logarithm problem. In this article we present explicit formulae to perform the gro...
Tanja Lange
FSTTCS
2004
Springer
14 years 26 days ago
A Decidable Fragment of Separation Logic
We present a fragment of separation logic oriented to linked lists, and study decision procedures for validity of entailments. The restrictions in the fragment are motivated by the...
Josh Berdine, Cristiano Calcagno, Peter W. O'Hearn
RSS
2007
105views Robotics» more  RSS 2007»
13 years 9 months ago
Motion Strategies for Surveillance
Abstract— We address the problem of surveillance in an environment with obstacles. We show that the problem of tracking an evader with one pursuer around one corner is completely...
Sourabh Bhattacharya, Salvatore Candido, Seth Hutc...